.App {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

a {
    text-decoration: none;
    color: #333;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}